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Revised development plan for San Francisco bus yard changes look, unit count

The latest renderings of the San Francisco Municipal Transportation Agency's redevelopment of the bus maintenance facility at 2500 Mariposa St. were released on June 26, 2023. | Courtesy IBI Group

The latest renderings for the San Francisco Municipal Transportation Agency’s redevelopment of the Potrero Yard bus facility have been released, showcasing a new design that reflects fewer-than-projected housing units for the project.

The design—which was released on June 26 by the Canadian-based IBI Group—depicts the 150-foot structure and an approximate total of 1.24 million square feet, including  just over 540,800 square feet solely dedicated to housing.

The housing breakdown of the 513 units include: 117 studio apartments, 184 one-bedroom apartments, 144 two-bedrooms and 68 three-bedrooms.

Residents at the at 2500 Mariposa St. property will also have access to the seventh-floor amenity space which includes 75,620 square feet of community gathering areas, a dog trail and two community gardens that are separated by a central tower and two earth mounds.

The ambitious project aims to transform an old bus yard into much-needed housing while creating a source of sustainable public revenue. It aimed to be a bold example, but five years on, it’s been mired in delays.

The new renderings come almost nine months after the transportation agency’s Board of Directors announced they had approved a group of five developers to take on the task of housing at the Potrero Yard.

The latest plan, encapsulated by the predevelopment agreement, originally called for 575 affordable housing units—with just over half made affordable to residents who earn no more than 80% of the city’s median income of just over $126,000. The rest of the units were earmarked for people who make up to 120% of the median.

Jonathan Rewers, the transportation agency's chief financial officer, said at the October meeting the city hopes to complete the project by 2027.

The efforts to build housing aren’t the first on the transportation agency's property.

In 2019, an effort to turn the Moscone Garage into a hotel and housing development failed after the agency rejected four proposals because they failed to meet the necessary revenue streams to replace the garage.